With respect to your concern about the Alien calling earth a “prison planet”… nothing could be further from the truth….
Forgiveness, like judgment and justice are human words that describe how societies feel about one’s behavior. Forgiveness (or any righteous action) requires energy; holding a grudge requires no energy on our part.
When we give to one another, we should always give it back; so, that we have a “complete circuit of giving” that will last an eternity. This is the way that the universe was designed to work properly for a desired effect.
Now, see yourself all alone out in space; what would you do? Do you think you would be lonely? What would you long for or desire?
What divides spectrums of perception (or dimensions) is not time, but pressure. In order to travel to another dimension, one must be pressurized from the inside as well….